- Tibbotstown
- Timoleague
- Tinageragh
- Tincoora
- Tinker’s Cross Roads
- Tinnascart
- Tisaxon
- Tivoli
- Toames
- Tober
- Toberaneague
- Tobernaclougha Cross Roads
- Togher
- Togher
- Togher Bridge
- Togher Cross Roads
- Tonatora
- Toom
- Tooms East
- Toon Bridge
- Toorboney
- Tooreen
- Tooreen
- Tooreen Beg
- Tooreenavuscaun
- Tooreenclassagh
- Tooreendermot
- Tooreennagrena
- Toorgarriff
- Toormore